bichkhoa.com - robtex.com
bichkhoa.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.179.189.200🇻🇳 VNPT-AS-VN103.179.188.0/23 INETSOLUTION-VN | ||||||
| PTR | 103.179.189.200.cloudfly.vn | ||||||
| NS | nsbak.pavietnam.net ⭐ | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns8922.dotvndns.vn | ||||||
| NS | ns1.pavietnam.vn | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.pavietnam.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| MX | mail.bichkhoa.com ⭐ | ||||||
| A | 103.179.189.200🇻🇳 VNPT-AS-VN103.179.188.0/23 INETSOLUTION-VN | ||||||
| PTR | 103.179.189.200.cloudfly.vn | ||||||
| TXT | google-site-verification=ji31NPRF_mF64HlG1bDoz2X7YI6LiINTIJbMI8UBmT8 | ||||||
| SOA | nsbak.pavietnam.nethostmaster@bichkhoa.com 2025-11-13 #14 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778769586 | ||||||
Same first word
bichkhoa.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-14 · 2 obs
● 2026-05-14 14:49:38
●NSns2.pavietnam.vn2026-05-01 → 2026-05-14 · 2 obs
● 2026-05-14 14:49:38
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-14 · 2 obs
● 2026-05-14 14:49:38
●MXmail.bichkhoa.com2026-05-01 → 2026-05-14 · 2 obs
● 2026-05-14 14:49:38
●A103.179.189.2002026-05-01 → 2026-05-14 · 2 obs
● 2026-05-14 14:49:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bichkhoa.com | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | - |
✅ Authoritative Response
Server:112.213.89.22
NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bichkhoa.com (unsigned zone)
⏱️ Timing
Total: 1473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.179.189.200 |
| NS | 3 | ns1.pavietnam.vn, ns2.pavietnam.vn... |
| MX | 1 | mail.bichkhoa.com (pri: 10) |
| TXT | 1 | google-site-verification=ji31NPRF_mF64Hl |
| SOA | 1 | nsbak.pavietnam.net hostmaster.bichkhoa. |
Analysis
IP Addresses
bichkhoa.com resolves to a single IP address: 103.179.189.200.
Other host names including mail.vanhoctre.com, forum.vanhoctre.com, mail.vnkienthuc.com, mail.giaoanchuan.com and gac.giaoanchuan.com share IP numbers with bichkhoa.com.
Name Servers
bichkhoa.com is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
bichkhoa.com at least partially shares name servers with other domains, including lamdep365.net, saigonsc.vn, thiensonplaza.com.vn, isuzu-vietnam.com and ingiare.info.
these name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.
Host names with two IP numbers:
nsbak.pavietnam.net points to: 2406:9c80::9000:302 and 112.213.89.22
ns1.pavietnam.vn points to: 2406:9c80::66 and 112.213.89.3
ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247
Mail Servers
bichkhoa.com is handled by a single mail server, mail.bichkhoa.com.
mail.bichkhoa.com points to a single IP: 103.179.189.200.